Author Question: Describe what happened to the oil that polluted the Gulf of Mexico after the explosion of the ... (Read 44 times)

colton

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Describe what happened to the oil that polluted the Gulf of Mexico after the explosion of the Deepwater Horizon oil-drilling platform in 2010?
 
  What will be an ideal response?

Question 2

Which of the following human threats to the ocean has resulted in making it more difficult for corals to build skeletons?
 
  A) Acidification
  B) Aquaculture
  C) Increased ocean warming
  D) Overfishing
  E) Sea level rise



fwbard

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Answer to Question 1

Nearly 795 million liters (210 million gallons) of oil contaminated the Gulf of Mexico. Scientists estimate that BP removed about a quarter of the oil, most of it recovered directly from the well, burned at sea, or skimmed by boats. Another quarter of the oil evaporated or dissolved into scattered molecules. And a third quarter was either naturally dispersed in the water as small droplets or chemically dispersed. But the last quarter hasn't been fully accounted for; this oil is called residual oil. Some scientists suggest that the majority of it formed slicks or sheens on the water, washed onto local beaches and marshes, and accumulated as tar balls on the sea floor. other scientists suggest that some oil never made it to the surface; instead, the oil formed diffuse plumes more than 1000 meters (3300 feet) below the surface and likely dispersed into the ocean, was biodegraded by microbes, or sunk to the sea floor as tar mats. Even years later, it's still not clear what happened to the missing oil.

Answer to Question 2

A



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